Improvement in compounds for forming letters, figures, or ornaments



UNITED STATES JOHANN o. FRIEDRIOHS, OF

PATENT QFFIGE;

JERSEY CITY, NEW JERSEY.

IMPROVEMENT lN COMPOUNDS FOR FORMING LETTERS, FIGURES, 0R ORNAMENTS.

Specification forming part of Letters Patent N0. 217,360, dated July 8, 1879; application filed May 7, 1879. i

To all whom it may concern:

Be it known that I, J OHANN O. FRIEDRIoHs, of Jersey City, in the State of New Jersey, have invented a new and useful Compound for Letters, Figures, or Ornaments,which Icompound is fully described in the following specification.

This invention relates to that class of compounds used to make articles pressed .in a form or die, and which are exposed to the atmosphere; and it consists in a composttipn formed by mixing umber, plaster-of-paris, clay, boiled oil, spirits of turpentine, terra'sienna, Japan drier, and litharge.

To prepare the compound, take half a pound of umber, onequarter of a pound of litharge, five pounds of plaster-of-paris, one pound of clay, one-quarter of a pound of terra-sienna,

two pounds of boiled oil, one pound of spirits of turpentine, and half a pound of Japan drier. Grind the solids to a fine powder, and

exterior of buildings.

What I claim is- A compound consisting of umber, plasterterra-sienna, Japan drier, and litharge, in about the proportions specified, substantially as and for the purpose described.

JOHANN .(J. FRIEDRICHS. Witnesses:

HENRY E. ROEDER,

J. B. N oNEs.

adapted for sign-letters and ornaments for the of-paris, clay, boiled oil, spirits of turpentine, 

